Method for dewatering a sheet of cellulose material using hot air caused to flow therethrough by means of a high vacuum, device therefor and resulting material
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United States of America Patent
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Nov 2, 1999
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N/A
app pub date -
Sep 19, 1997
filing date -
Mar 20, 1995
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Abstract
A method for drying a cellulose web, in particular a moist paper web evincing a dry-state specific surface weight of between 10 and 80 g/m.sup.2 and initially a solids content between 8 and 30% approximately, and including supporting the web on a permeable conveying fabric and having a high-speed flow of hot air pass through the web, is characterized in that the flow of air is generated by a relative negative pressure of 100 to 500 mbars generated underneath the fabric.
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